The .50in range drum (3649) has ballistic optimisation for the current range of in-service .50in. ammunition.

The range drum is graduated from 500m to 2200m in 100m increments. It features a Gaseous Tritium Light Source (GTLS) for illumination of the range scale under conditions of low light level.

The range drum is fitted with a quick release clamp that allows fitting to a Mil Std 1913 Picatinny rail.

The rail for attachments of the optical sight and other electro/optical ancillaries is the Mil Std 1913 Picatinny type.

It features a rotary locking device fitted to the range adjusting drum, that when applied prevents inadvertent rotation.

There is a high degree of commonality between the various models and a full range of sub-assemblies and component parts are available where required to carry out a repair.

Technical Specification

NSN:1240-99-453-6634
Pt No:3649
LNA:L8A1
Mounting Method:Picatinny Rail Grabber
Rail Qty:3
Rail Type:Mil Std 1913 Picatinny
Elevation Lock:Yes
Range:500m - 2000m
Weight:1.65 kg

 

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